mx6sl: Add initial support for mx6slevk board

mx6slevk board is a development board from Freescale based on the mx6 solo-lite
processor.

For details about mx6slevk, please refer to:
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=IMX6SLEVK&parentCode=i.MX6SL&fpsp=1

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

3 files changed, 248 insertions, 0 deletions

diff --git a/board/freescale/mx6slevk/Makefile b/board/freescale/mx6slevk/Makefile
new file mode 100644
index 0000000..43af351
--- /dev/null
+++ b/board/freescale/mx6slevk/Makefile
@@ -0,0 +1,28 @@
+# (C) Copyright 2013 Freescale Semiconductor, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB    = $(obj)lib$(BOARD).o
+
+COBJS  := mx6slevk.o
+
+SRCS   := $(COBJS:.o=.c)
+OBJS   := $(addprefix $(obj),$(COBJS))
+
+$(LIB):        $(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/freescale/mx6slevk/imximage.cfg b/board/freescale/mx6slevk/imximage.cfg
new file mode 100644
index 0000000..df39a16
--- /dev/null
+++ b/board/freescale/mx6slevk/imximage.cfg
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) any later version.
+ *
+ * Refer docs/README.imxmage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi, sd (the board has no nand neither onenand)
+ */
+
+BOOT_FROM	sd
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+DATA 4 0x020c4018 0x00260324
+
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+DATA 4 0x020e0344 0x00003030
+DATA 4 0x020e0348 0x00003030
+DATA 4 0x020e034c 0x00003030
+DATA 4 0x020e0350 0x00003030
+DATA 4 0x020e030c 0x00000030
+DATA 4 0x020e0310 0x00000030
+DATA 4 0x020e0314 0x00000030
+DATA 4 0x020e0318 0x00000030
+DATA 4 0x020e0300 0x00000030
+DATA 4 0x020e031c 0x00000030
+DATA 4 0x020e0338 0x00000028
+DATA 4 0x020e0320 0x00000030
+DATA 4 0x020e032c 0x00000000
+DATA 4 0x020e033c 0x00000008
+DATA 4 0x020e0340 0x00000008
+DATA 4 0x020e05c4 0x00000030
+DATA 4 0x020e05cc 0x00000030
+DATA 4 0x020e05d4 0x00000030
+DATA 4 0x020e05d8 0x00000030
+DATA 4 0x020e05ac 0x00000030
+DATA 4 0x020e05c8 0x00000030
+DATA 4 0x020e05b0 0x00020000
+DATA 4 0x020e05b4 0x00000000
+DATA 4 0x020e05c0 0x00020000
+DATA 4 0x020e05d0 0x00080000
+
+DATA 4 0x021b001c 0x00008000
+DATA 4 0x021b085c 0x1b4700c7
+DATA 4 0x021b0800 0xa1390003
+DATA 4 0x021b0890 0x00300000
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b081c 0x33333333
+DATA 4 0x021b0820 0x33333333
+DATA 4 0x021b0824 0x33333333
+DATA 4 0x021b0828 0x33333333
+DATA 4 0x021b082c 0xf3333333
+DATA 4 0x021b0830 0xf3333333
+DATA 4 0x021b0834 0xf3333333
+DATA 4 0x021b0838 0xf3333333
+DATA 4 0x021b0848 0x4241444a
+DATA 4 0x021b0850 0x3030312b
+DATA 4 0x021b083c 0x20000000
+DATA 4 0x021b0840 0x00000000
+DATA 4 0x021b08c0 0x24911492
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b000c 0x33374133
+DATA 4 0x021b0004 0x00020024
+DATA 4 0x021b0010 0x00100A82
+DATA 4 0x021b0014 0x00000093
+DATA 4 0x021b0018 0x00001688
+DATA 4 0x021b002c 0x0f9f26d2
+DATA 4 0x021b0030 0x0000020e
+DATA 4 0x021b0038 0x00190778
+DATA 4 0x021b0008 0x00000000
+DATA 4 0x021b0040 0x0000004f
+DATA 4 0x021b0000 0xc3110000
+DATA 4 0x021b001c 0x003f8030
+DATA 4 0x021b001c 0xff0a8030
+DATA 4 0x021b001c 0x82018030
+DATA 4 0x021b001c 0x04028030
+DATA 4 0x021b001c 0x02038030
+DATA 4 0x021b001c 0xff0a8038
+DATA 4 0x021b001c 0x82018038
+DATA 4 0x021b001c 0x04028038
+DATA 4 0x021b001c 0x02038038
+DATA 4 0x021b0800 0xa1310003
+DATA 4 0x021b0020 0x00001800
+DATA 4 0x021b0818 0x00000000
+DATA 4 0x021b08b8 0x00000800
+DATA 4 0x021b0004 0x00025564
+DATA 4 0x021b0404 0x00011006
+DATA 4 0x021b001c 0x00000000
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
new file mode 100644
index 0000000..fc6353e
--- /dev/null
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/io.h>
+#include <asm/sizes.h>
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
+	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_22K_UP  | PAD_CTL_SPEED_LOW |		\
+	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	MX6_PAD_UART1_TXD__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+	MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+	{USDHC2_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	return 1;	/* Assume boot SD always present */
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+
+	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	return 0;
+}
+
+u32 get_board_rev(void)
+{
+	return get_cpu_rev();
+}
+
+int checkboard(void)
+{
+	puts("Board: MX6SLEVK\n");
+
+	return 0;
+}